Rybalkin, S. D., Rybalkina, I. G., Shimizu-Albergine, M., Tang, X., & Beavo, J. A. (2003). PDE5 is converted to an activated state upon cGMP binding to the GAF A domain. Oxford University Press.

Rybalkin, Sergei D., Irina G. Rybalkina, Masami Shimizu-Albergine, Xiao-Bo Tang, and Joseph A. Beavo. PDE5 Is Converted to an Activated State Upon CGMP Binding to the GAF A Domain. Oxford University Press, 2003.

Rybalkin, Sergei D., et al. PDE5 Is Converted to an Activated State Upon CGMP Binding to the GAF A Domain. Oxford University Press, 2003.